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Finding the Fourth Proportional to 328,591.98, 453,453.66 and 185,398.56

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Solution

The fourth proportional to 328,591.98, 453,453.66 and 185,398.56 is: 255,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,591.98 : 453,453.66 = 185,398.56 : x
  2. Step 2: Convert to fraction form
    328,591.98/453,453.66 = 185,398.56/x
  3. Step 3: Cross multiply
    328,591.98x = 453,453.66 × 185,398.56
  4. Step 4: Simplify right side
    328,591.98x = 84,069,655,590.73
  5. Step 5: Solve for x
    x = 84,069,655,590.73/328,591.98
  6. Step 6: Final answer
    x = 255,848.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.